JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Pre-requisite

Electronic Devices & Circuits

Course Objectives

The main objectives of the course are:

• To introduce the basic building blocks of linear integrated circuits.
• To introduce the theory and applications of analog multipliers and PLL.
• To introduce the concepts of waveform generation and introduce some special function ICs.

Course Outcomes

Upon completing this course, the student will be able to

• A thorough understanding of operational amplifiers with linear integrated circuits.
• Attain the knowledge of functional diagrams and applications of IC 555 and IC 565
• Acquire the knowledge about the Data converters.

UNIT - I

Integrated Circuits: Classification, chip size and circuit complexity, basic information of Op-amp, ideal and practical Op-amp, internal circuits, Op-amp characteristics, DC and AC Characteristics, 741 op-amp and its features, modes of operation-inverting, non-inverting, differential.

UNIT - II

Op-amp and Applications: Basic information of Op-amp, instrumentation amplifier, ac amplifier, V to I and I to V converters, Sample & hold circuits, multipliers and dividers, differentiators and integrators, comparators, Schmitt trigger, Multivibrators, introduction to voltage regulators, features of 723

UNIT - III

Active Filters & Oscillators: Introduction, 1st order LPF, HPF filters, Band pass, Band reject and all pass filters. Oscillator types and principle of operation - RC, Wien and quadrature type, waveform generators - triangular, sawtooth, square wave and VCO.

UNIT - IV

Timers & Phase Locked Loops: Introduction to 555 timer, functional diagram, monostable and astable operations and applications, Schmitt Trigger. PLL - introduction, block schematic, principles and description of individual blocks of 565.

UNIT - V

D-A and A-D Converters: Introduction, basic DAC techniques, weighted resistor DAC, R-2R ladder DAC, inverted R-2R DAC, and IC 1408 DAC, Different types of ADCs - parallel comparator type ADC, counter type ADC, successive approximation ADC dual slope integration type ADC, DAC and ADC specifications.

TEXT BOOKS:

• 1. Linear Integrated Circuits, D. Roy Chowdhury, New Age International(p) Ltd.
• 2. Op-Amps & Linear ICs, Ramakanth A. Gayakwad, PHI

REFERENCES BOOKS:

• 1. Operational Amplifiers & Linear Integrated Circuits, R.F. Coughlin & Fredrick F. Driscoll, PHI.
• 2. Operational Amplifiers & Linear Integrated Circuits: Theory & Applications, Denton J. Daibey, TMH.
• 3. Design with Operational Amplifiers & Analog Integrated Circuits, Sergio Franco, McGraw Hill.
• 4. Digital Fundamentals - Floyd and Jain, Pearson Education. R18 B.TECH ECE